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A portable type recorder responds to recording over 1 and 2 channels. It is compact, light weight, and easily portable.
A recorder is available in 1-pen and 2-pen specifications. Its effective recording width is 120mm. It is compact. It is of a solid-line recording type equipped with input amplifiers and pen mechanism parts in each channel.
U-212 Specs
| Model |
U-212-1P-00 (1channel) U-212-2P-00 (2channel) |
|---|---|
| External dimensions | 280(W)×150(H)×200(D)mm (Projection things are not included.) |
| Mass | 1P Approx. 4.6kg / 2P Approx. 5kg |
| Use environment |
|
| Power supply | AC100V±10%,50Hz/60Hz |
| Operation method | Automatic zero balancing DC-servo |
| Writing width | 120mm |
| Measuring range |
10 / 50 / 100 / 500mV 1 / 5 / 10 / 50V (8ranges) |
| Input Impedance | 1MΩ (constant) |
| Input method | Floating |
| Resistance | Less than 10kΩ |
| Accuracy | ±0.6% (23℃) |
| Linearity | ±0.4% (23℃) |
| Dead band | ±0.2% |
| Pen speed | 0.5sec or less |
| Zero set range | ±100% from reference point |
| Chart speed |
(1) 10, 15, 20, 30, 40, 60 : mm/h, cm/h, mm/min, cm/min 24 steps and 23 speeds (10mm/min and 60cm/h are overlapping) (2) Chart drive by External signal (Option) Chart speed : 1mm/min at 1Hz, 600Hz Max. Input impedance : 4.7kΩ or more External signal source Voltage : High level +2V to +20V : Low level +0.8V to -20V (Operable at TTL level) Signal waveforms : Pulse, sine wave, square wave, triangular wave, etc. (Pulse width 50µsec or more) |
| Pen lift | Manually operated |
| Calibration voltage | Built in voltage 50mV, Accuracy ±0.4%(23℃) |
| Torque reduction circuit | Operates as pen shake protection device |
| Event marker | Superimposing, Amplitude +3.5±1 graduation, Time 0.2 to 0.4sec |
| Noise rejection |
CMRR : DC 120dB or more AC(50/60Hz) 120dB or more NMRR : AC(50/60Hz) 40dB or more |
| Power consumption(TYP.) |
1Pen At balanced 18VA / Max. 23.6VA 2Pen At balanced 19VA / Max. 32.6VA |
| Insulation resistance |
Between power supply and chassis (GND) : 50MΩ or more (DC500V megger) Between analog input and chassis (GND) : 100MΩ or more (DC500V megger) |
| Dielectric strength |
Between power supply and chassis (GND) : AC1000V for 1 minute Between analog input and chassis (GND) : AC 500V for 1 minute |
| Recording paper | Folding recording paper No.12002Z40 (Length 16mm, right zero) |
| Recording pen | 1P NDA-5R(Red) / 2P NDK-18G(Green) |
Option
Current Shunt Adapter CSA-420
Adapter to measure 4 to 20 mA signal.
Using the built in 50 mV calibrate signal.
Using the built in 50 mV calibrate signal.
Application example
Application example of U-212
- Records of maintenance of various equipment, including plants.
- Various experiments at universities, research laboratories, and enterprises.
